JP4623675B2 - 高速セルサーチを行なう方法及び装置 - Google Patents

高速セルサーチを行なう方法及び装置 Download PDF

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Publication number
JP4623675B2
JP4623675B2 JP2007287539A JP2007287539A JP4623675B2 JP 4623675 B2 JP4623675 B2 JP 4623675B2 JP 2007287539 A JP2007287539 A JP 2007287539A JP 2007287539 A JP2007287539 A JP 2007287539A JP 4623675 B2 JP4623675 B2 JP 4623675B2
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sequence
sch
index
gcl
cell
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Japanese (ja)
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JP2008141741A (ja
Inventor
雅也 福田
英範 秋田
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Motorola Solutions Inc
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Motorola Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0073—Acquisition of primary synchronisation channel, e.g. detection of cell-ID within cell-ID group
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0076—Acquisition of secondary synchronisation channel, e.g. detection of cell-ID group
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0055—ZCZ [zero correlation zone]
    • H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
    • H04J13/0062—Zadoff-Chu
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0055—ZCZ [zero correlation zone]
    • H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
    • H04J13/0066—GCL [generalized chirp-like] sequences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2007287539A 2006-11-06 2007-11-05 高速セルサーチを行なう方法及び装置 Active JP4623675B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86445606P 2006-11-06 2006-11-06
US11/566,776 US8320360B2 (en) 2006-11-06 2006-12-05 Method and apparatus for fast cell search

Publications (2)

Publication Number Publication Date
JP2008141741A JP2008141741A (ja) 2008-06-19
JP4623675B2 true JP4623675B2 (ja) 2011-02-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007287539A Active JP4623675B2 (ja) 2006-11-06 2007-11-05 高速セルサーチを行なう方法及び装置

Country Status (9)

Country Link
US (1) US8320360B2 (de)
EP (1) EP2080277B1 (de)
JP (1) JP4623675B2 (de)
KR (1) KR101052975B1 (de)
CN (1) CN101536336B (de)
AR (1) AR063590A1 (de)
BR (1) BRPI0717948B1 (de)
ES (1) ES2684122T3 (de)
WO (1) WO2008057752A2 (de)

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US20090073944A1 (en) * 2007-09-17 2009-03-19 Jing Jiang Restricted Cyclic Shift Configuration for Random Access Preambles in Wireless Networks
US8503547B2 (en) * 2007-10-11 2013-08-06 Qualcomm Incorporated Scrambling codes for secondary synchronization codes in wireless communication systems
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Also Published As

Publication number Publication date
JP2008141741A (ja) 2008-06-19
US8320360B2 (en) 2012-11-27
WO2008057752A2 (en) 2008-05-15
WO2008057752B1 (en) 2008-11-13
EP2080277B1 (de) 2018-08-01
KR20090074276A (ko) 2009-07-06
CN101536336A (zh) 2009-09-16
EP2080277A2 (de) 2009-07-22
KR101052975B1 (ko) 2011-07-29
US20080107086A1 (en) 2008-05-08
AR063590A1 (es) 2009-02-04
ES2684122T3 (es) 2018-10-01
BRPI0717948A2 (pt) 2013-12-03
CN101536336B (zh) 2013-10-30
WO2008057752A3 (en) 2008-08-07
BRPI0717948B1 (pt) 2019-10-08

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